Power Outages in Liberty County, MT
Hill County Electric Coop, Inc, NorthWestern Energy LLC - (MT) and Sun River Electric Coop, Inc publish only a system-wide total, not county figures. There is no live feed for Marias River Electric Coop Inc and WAPA-- Western Area Power Administration. In 2025, the average customer here lost power for about 13.1 hours.
Liberty County, MT is served by 5 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/liberty-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Liberty County, MT". https://massoutage.com/montana/liberty-county
Hill County Electric Coop, Inc, NorthWestern Energy LLC - (MT) and Sun River Electric Coop, Inc publish no county-level figures.
No live feed for Marias River Electric Coop Inc and WAPA-- Western Area Power Administration: outages in theirservice area won't show here.
0.0%of this county's ~2,052 customers are served by utilities with a county-level live feed.
We can't see outages for: Marias River Electric Coop Inc, WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Hill County Electric Coop, Inc, NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Hill County Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| NorthWestern Energy LLC - (MT) | Live · total only | not by county | - | - | - | - | - | - |
| Sun River Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Marias River Electric Coop Inc | No live feed | can't see | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Liberty Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (4)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59522 | 28 | ≤11 | 25 | 0 |
| 59545 | ≤11 | 0 | ≤11 | 0 |
| 59531 | ≤11 | 0 | ≤11 | 0 |
| 59461 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Liberty County or any town and utility in it.
No active NWS alerts for Liberty County right now.
Liberty County has been under 16 National Weather Service alerts recently, most recently a Dense Fog Advisory on October 13, 2026.
- Winter Weather Advisory ×7
- Special Weather Statement ×5
- Dense Fog Advisory ×3
- High Wind Warning ×1
Hardest-hit cities in Liberty County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Liberty County went about 13.1 hours without power. Peak simultaneous outage on record reached 804 customers.
The US EIA reports Montana utilities averaged 4.8 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 13.1 hrs.
Worst year here was 2022 (peak 804 customers out) · decade average 10.6 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2020 | 51 | 804 | 16.7 |
| 2021 | 50 | 804 | 7.1 |
| 2022 | 59 | 804 | 18.4 |
| 2023 | 47 | 30 | 0.5 |
| 2024 | 49 | 804 | 7.8 |
| 2025 | 43 | 804 | 13.1 |
Cost of power in Liberty County
ENERGY & AI DEMAND →Estimated residential electricity price for Liberty County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- NorthWestern Energy LLC - (MT)14.4¢333,711 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively Low winter weather exposure · 10.6 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Liberty County: FAQ
- How often does Liberty County, MT lose power?
- Based on EAGLE-I records, Liberty County, MT logged 43 distinct outage events in 2025, averaging about 13.1 hours without power per customer over the year.
- What was the worst power outage in Liberty County, MT?
- The largest tracked outage peaked at 804 customers without power, beginning July 11, 2021 and lasting about 17h 45m.
- Is there a power outage in Liberty County, MT right now?
- No major outage is currently reported for Liberty County, MT. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Liberty County, MT?
- Tracked electric providers include Hill County Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Liberty County.
59456, 59461, 59522, 59531, 59545
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2.1 hrs | Live · total only | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| Sun River Electric Coop, Inc | - | Live · total only | - |
| Hill County Electric Coop, Inc | - | Live · total only | - |
| Marias River Electric Coop Inc | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Montana customers). Machine-readable data: /api/v1/counties/30051 and /api/v1/counties/30051/history.